29157980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 63866880

約数和(自身を除く): 34708900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 359, 524, 620, 655, 718, 1310, 1436, 1795, 2620, 3590, 4061, 7180, 8122, 11129, 16244, 20305, 22258, 40610, 44516, 47029, 55645, 81220, 94058, 111290, 188116, 222580, 235145, 470290, 940580, 1457899, 2915798, 5831596, 7289495, 14578990, 29157980]

約数ペア:

[(1, 29157980), (2, 14578990), (4, 7289495), (5, 5831596), (10, 2915798), (20, 1457899), (31, 940580), (62, 470290), (124, 235145), (131, 222580), (155, 188116), (262, 111290), (310, 94058), (359, 81220), (524, 55645), (620, 47029), (655, 44516), (718, 40610), (1310, 22258), (1436, 20305), (1795, 16244), (2620, 11129), (3590, 8122), (4061, 7180)]